This was an issue for the Nexus One and the Nexus S, but not anymore with the Galaxy Nexus. The Nexus S comes in two GSM versions, one that would only do 3G on

This was an issue for the Nexus One and the Nexus S, but not anymore with the Galaxy Nexus. The Nexus S comes in two GSM versions, one that would only do 3G on T-Mobile's AWS band, and one come in a version that would do 3G on AT&T's 3G band. The AT&T model would only do EDGE on T-Mobile, and vice-versa. I think the AT&T version is only sold at Best Buy: http://www.bestbuy.com/site/null/Google-Nexus-S/pcmcat224600050004.c?id=pcmcat224600050004 http://www.bestbuy.com/site/null/Google-Nexus-S/pcmcat224600... The GSM Galaxy Nexus has a pentaband radio and so you'll get 3G on T-Mobile or AT&T all on the same model.